Keyne Ltd, an investment holding company, primarily engages in the property and hotel development business in Mainland China. It also holds and rents properties; and invests in centralized heat supply businesses, as well as provides management services. The company was formerly known as Nine Express Limited and changed its name to Keyne Ltd in March 2020. Keyne Ltd was incorporated in 2001 and is headquartered in Causeway Bay, Hong Kong.